Cross-site scripting in Roundcube



Published: 2022-01-09
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-46144
CWE-ID CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Roundcube
Web applications / Webmail solutions

Vendor Roundcube

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Stored cross-site scripting

EUVDB-ID: #VU59318

Risk: Medium

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-46144

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data passed via an HTML e-mail message with crafted Cascading Style Sheets (CSS) token sequences. A remote attacker can trick the victim to open a specially crafted email and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Roundcube: 1.3.0 - 1.5.1

External links

http://roundcube.net/news/2021/12/30/update-1.5.2-released
http://bugs.debian.org/1003027
http://github.com/roundcube/roundcubemail/commit/8894fddd59b770399eed4ef8d4da5773913b5bf0
http://github.com/roundcube/roundcubemail/commit/b2400a4b592e3094b6c84e6000d512f99ae0eed8
http://roundcube.net/news/2021/12/30/security-update-1.4.13-released


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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